Under combined stress, these hormonal modules converge on a "competitive TF marketplace", where ABA, JA, and GA cis-elements co-regulate invertase-sugar checkpoints, heat shock factor/ROS oscillators, and chromatin-remodeling events that determine reproductive fate.
First-pass extracted concept
competitive TF marketplace
Candidate: concept label1 source documents3 linked claims
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Evidence Snippets
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Linked Claims
Drought-dominated phases elevate ABA and activate SnRK2-AREB signaling, whereas heat pulses trigger jasmonic acid and ethylene signaling that antagonizes ABA-driven stomatal closure.
Under combined drought and heat stress, hormonal modules converge on shared cis-regulatory and chromatin-linked control points that influence reproductive fate.
Combined drought and heat stress has a non-additive and more severe impact on plant growth, yield, and quality than either stress alone.